Easy-rsa fails with "Missing or invalid OpenSSL"
Trying to use easyrsa on MacOS High Sierra, it failed with an error message MacBook-Air:vpn me$ EasyRSA-3.0.3/easyrsa init-pki 140736197817224:error:0E065068:configuration file routines:STR_COPY:variable has no value:/BuildRoot/Library/Caches/com.apple.xbs/Sources/libressl/libressl- 22/libressl/crypto/conf/conf_def.c:573:line 3 Easy-RSA error: Missing or invalid OpenSSL Expected to find openssl command at: openssl This seems to be a known issue with MacOS High Sierra which has migrated to Libressl instead of Openssl, and has an easy workaround: MacBook-Air:vpn me$ EASYRSA_OPENSSL=/usr/local/Cellar/openssl/1.0.2n/bin/openssl EasyRSA-3.0.3/easyrsa init-pki init-pki complete; you may now create a CA or requests. Your newly created PKI dir is: /Users/me/Documents/vpn/pki